public async Task Includes_many_to_many_navigation_properties_that_were_serialized()
        {
            using (var conn = TestHelpers.GetEffortConnection("Acceptance/Data"))
            {
                using (var context = new TestDbContext(conn, false))
                {
                    var metadataManager = new Mock<IMetadataManager>();
                    var materializer = new EntityFrameworkMaterializer(context, metadataManager.Object);

                    var ephemeral = new Post { Id = "201" };
                    var material = await materializer.MaterializeAsync(ephemeral);

                    material.Tags.Should().NotBeNull();
                    material.Tags.Count.Should().Be(2);
                }
            }
        }